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Siemens 6ES7421-1BL01-0AA0 Digital Input Module
Specifications
|
Manufacturer |
Siemens |
|
Product No. |
6ES7421-1BL01-0AA0 |
|
Product Type |
Digital Input Module |
|
Backplane Bus Current |
5 V DC, max. 20 mA |
|
Typical Power Loss |
6 W |
|
Digital Input Quantity |
32 |
|
Simultaneously Controllable Inputs |
32 |
|
Input Voltage Type |
DC |
|
Rated Input Voltage |
24 V DC |
|
Max Cable Length (Shielded) |
1000 m |
|
Max Cable Length (Unshielded) |
600 m |
|
2-wire Sensor Support |
Yes |
|
Isolation Test Voltage |
500 V DC |
|
Dimensions (L×W×H) |
21 cm × 2.5 cm × 29 cm |
|
Operating Voltage |
24 V DC |
|
Shipping Weight |
2.5 Kg |
The Siemens 6ES7421-1BL01-0AA0 is a digital input module designed for integration with the SIMATIC S7-400 system.
This module features 32 isolated digital inputs operating at 24 V DC, providing reliable signal acquisition for a wide range
of industrial applications. Engineered for demanding production environments, the 6ES7421-1BL01-0AA0 ensures
consistent performance and dependable data processing in processes.
Product Applications
Electricity and Energy: Used in power plant control systems and substation , for real-time collection of circuit breaker
status, isolation switch positions, and auxiliary contact signals of various protection relays.
Metallurgy and Heavy Industry: In the control of blast furnaces, continuous casting lines, and rolling mills in steel plants
and aluminum plants, the powerful processing capabilities of the S7-400 system handle hundreds and thousands of
limit switches and interlock signals.
Water Treatment and Environmental Protection: Monitoring the operation status of pump groups, valve opening and
closing status, and high/low liquid level alarms in sewage treatment plants and water supply plants.
Oil and Gas: Applied in monitoring systems (SCADA) of large oil refineries or oil pipelines, through photoelectric
isolation technology to ensure the stability of signal collection in harsh electrical environments.
Claim Your Extra Discount: Contact Sales Manager Lisa Lin for Details
:+86 18965423501 
:sales7@amikon.cn 
:AMKPLC
Payment & Delivery
Payment Term: T/T
Lead Time: Usually 2-3 days
Delivery Ways: DHL,UPS,TNT,CHIRLINE,FEDEX
Major Business
ABB: Industrial robot parts of DSQC series,Bailey INFI90, DCS
Honeywell: 51/MU/MC/TC/CC ...
Triconex: 3008/3511/3625/3664/3721/3700A..
Bently Nevada: 3500/3300/330180-Cable..
Foxboro: FBM203/204/217/231, FCP240/270
Woodward: SPC valve position controller, PEAK15 digital controller
Siemens: 6DD/6DP/6ES5/6DR/6GK Series
Westinghouse Series: 1C/5X ...
General electric: IC693/IC697/IC695/DS200..
Schneider: 140 Series
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